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Date:      Wed, 18 Mar 1998 23:50:36 -0600
From:      Karl Denninger  <karl@mcs.net>
To:        current@FreeBSD.ORG
Subject:   3/12/1998 KERNEL TEST RESULT
Message-ID:  <19980318235036.51789@mcs.net>

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Hello again,

Just in case you're wondering, my regression tests against the 3/12/98
kernel are complete, and it is ok - at least at the filesystem level.

Again, if you're running -CURRENT, I strongly recommend backing out to the
3/12/98 revision of the kernel immediately if you are running anything
with a later date.

This will be my last note on this topic until I have determined that
it is safe to use a more "Current" CURRENT.

One last time - if you are running a CURRENT kernel built after this point, 
you are risking severe and unrecoverable damage to any locally-mounted UFS
filesystems.

If you do a "make world" and actually get through it with such a kernel (the
odds are against this), you will be very, very fortunate if what you install
as a consequence of that "make world" boots when you are done!

The problem includes destruction of BOTH metadata (ie: inode, directory, etc)
AND file data.  The first will get fixed (for the most part) by FSCK.  The 
second is COMPLETELY undetectable and absolutely will screw you if you run 
into it.

Back out to 3/12 and it appears that you're safe from my testing here.

--
-- 
Karl Denninger (karl@MCS.Net)| MCSNet - Serving Chicagoland and Wisconsin
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